The content of the invention
Based on this, it is necessary to can only be used as centralized Control end for the existing control end that is forcibly turned on, it is impossible to meet
Construction sector of China must have one to be forcibly turned on control end on the Lighting control electronic switch that skyscraper corridor is used
Regulation technical problem, there is provided a kind of two-wire system electronic switch and fire-fighting illumination control circuit.
A technical scheme of the invention is:A kind of two-wire system electronic switch, the two-wire system electronic switch includes:For connecting
Zero line, load outputs, the fire-fighting end for connecting spare electric power source for fire-fighting, the first two-way controlable electric current, of civil power live wire
Two two-way controlable electric currents, triggers circuit, isolation circuit and conducting feedback end;The zero line and the described first two-way controlable electric current
First end connection;The load outputs respectively with the second end of the described first two-way controlable electric current and it is described second it is two-way can
Control the first end connection of circuit;The fire-fighting end is connected with the second end of the described second two-way controlable electric current;Described first is two-way
The triggering end of controlable electric current is used to connect the triggers circuit of major loop, and city is accessed with the zero line and the load outputs
After electricity, the first two-way controlable electric current is by signal triggering and conducting;The output end of the triggers circuit is two-way with described second can
Control the triggering end connection of circuit;The output end of the isolation circuit is connected with the input of the triggers circuit;The conducting is anti-
Feedback end is connected with the input of the isolation circuit, and the conducting feedback end is used to connect the control end of major loop, to receive master
The bright light feedback signal in loop, the bright light feedback signal after the isolation circuit and the triggers circuit by controlling described second
Two-way controlable electric current cut-off.
Wherein in one embodiment, the first two-way controlable electric current is bidirectional triode thyristor or connected with each other two
One-way SCR, the second two-way controlable electric current is bidirectional triode thyristor or connected with each other two one-way SCRs.
Wherein in one embodiment, the isolation circuit includes isolation module and drive module, the isolation module
Output end is connected with the input of the trigger module, and the input of the isolation module connects with the output end of the drive module
Connect, the input of the drive module is connected with the conducting feedback end;The drive module is used for the major loop that will be received
To the isolation module, the isolation module is isolated to be made bright light feedback signal back for the bright light feedback signal according to major loop
The trigger module cut-off, and then end the described second two-way controlable electric current.
Wherein in one embodiment, the triggers circuit includes resistance R1, resistance R2, resistance R3, resistance R4, resistance
R5, rectifying full bridge D1, earth terminal GND1 and unidirectional controllable silicon S CR1;Wherein, earth terminal GND1 is used to be grounded;One end of resistance R1
Triggering end with the described first two-way controlable electric current is connected, and the other end of resistance R1 is connected by resistance R2 with the load outputs
Connect;The first end of rectifying full bridge D1 is connected between resistance R1 and resistance R2, second end of rectifying full bridge D1 and one-way SCR
The anode of SCR1 is connected and is connected with the control pole of unidirectional controllable silicon S CR1 by resistance R4, and the 3rd end of rectifying full bridge D1 passes through
Resistance R3 is connected with the fire-fighting end;4th end of rectifying full bridge D1 is connected with earth terminal GND1;The moon of unidirectional controllable silicon S CR1
Pole is connected with earth terminal GND1, the control pole of unidirectional controllable silicon S CR1 be connected with earth terminal GND1 by resistance R5 and with it is described every
Output end from module is connected.
Wherein in one embodiment, the isolation module includes photoelectrical coupler U2, and the drive module includes three poles
Pipe Q1, resistance R6, resistance R7, earth terminal GND2 and power supply VCC1;Wherein, earth terminal GND2 is used to make the dc source of major loop
It is grounded, and earth terminal GND1 isolates with earth terminal GND2;
First pin of photoelectrical coupler U2 connects power supply VCC1 by resistance R6, and the second pin of photoelectrical coupler U2 connects
The colelctor electrode of triode Q1 is connect, the 3rd pin of photoelectrical coupler U2 is connected with earth terminal GND1, the 4th of photoelectrical coupler U2 the
Pin is connected with the control pole of unidirectional controllable silicon S CR1;The base stage of triode Q1 is connected by resistance R7 with the conducting feedback end
Connect, the emitter stage of triode Q1 is connected with earth terminal GND2.
Wherein in one embodiment, the triggers circuit includes resistance R11, resistance R12, resistance R13, resistance R14, electricity
Resistance R15, resistance R16, rectifying full bridge D11, triode Q11, earth terminal GND11 and unidirectional controllable silicon S CR11;Wherein, earth terminal
GND11 is used to be grounded;One end of resistance R11 is connected with the triggering end of the described first two-way controlable electric current, the other end of resistance R11
It is connected with the load outputs by resistance R12;The first end of rectifying full bridge D11 be connected to resistance R11 and resistance R12 it
Between, second end of rectifying full bridge D11 is connected with the anode of unidirectional controllable silicon S CR11, and the 3rd end of rectifying full bridge D11 passes through resistance
R13 is connected with the fire-fighting end;4th end of rectifying full bridge D11 is connected with earth terminal GND11;The moon of unidirectional controllable silicon S CR11
Pole is connected with earth terminal GND11, and the control pole of unidirectional controllable silicon S CR11 is connected by resistance R16 with earth terminal GND11;Three poles
The colelctor electrode of pipe Q11 is connected and by resistance R15's and triode Q11 by resistance R14 with the anode of unidirectional controllable silicon S CR11
Base stage is connected, and the emitter stage of triode Q11 is connected with the control pole of unidirectional controllable silicon S CR11;The base stage of triode Q11 with it is described
The output end connection of isolation module.
Wherein in one embodiment, the isolation module includes photoelectrical coupler U12, and the drive module includes three poles
Pipe Q12, resistance R17, resistance R18, earth terminal GND12 and power supply VCC2;Wherein, earth terminal GND12 is used to be grounded, and ground connection
End GND11 isolates with earth terminal GND12;First pin of photoelectrical coupler U12 connects power supply VCC2, photoelectricity by resistance R17
The colelctor electrode of the second pin connecting triode Q12 of coupler U12, the 3rd pin and the earth terminal GND11 of photoelectrical coupler U12
Connection, the 4th pin of photoelectrical coupler U12 is connected with the base stage of triode Q11;The base stage of triode Q12 passes through resistance R18
It is connected with the conducting feedback end, the emitter stage of triode Q12 is connected with earth terminal GND12.
Wherein in one embodiment, the two-wire system electronic switch also includes:Protection circuit, the zero line passes through institute
Protection circuit is stated to be connected with the first end of the described first two-way controlable electric current.
Another technical scheme of the invention is:A kind of fire-fighting illumination control circuit, the fire-fighting illumination control circuit includes negative
Lighting circuit and two-wire system electronic switch as described above are carried, wherein, the load outputs are by the load power for illumination
Access civil power zero line in road.
Wherein in one embodiment, the load lighting circuit includes emergency light.
Above-mentioned two-wire system electronic switch and fire-fighting illumination control circuit, when zero line and load outputs meet load Zai Yu cities
After electrical connection, major loop be supported on trigger signal after trigger work, the first two-way controlable electric current is triggered as normal conducting, together
When major loop export the bright light feedback signal i.e. control module of major loop to conducting feedback end and gives one bright light in fire-fighting loop feedback
Signal, bright light feedback signal, to the triggers circuit in fire-fighting loop, controls the second two-way controllable electric by after the isolation of isolation circuit
End on road;After major loop is powered off, load outputs and fire-fighting are terminated into spare electric power source for fire-fighting, and spare electric power source for fire-fighting makes triggering electricity
Road works and triggers the second two-way controlable electric current conducting, and now loading illumination can normal work, achievable fire-fighting illumination functions.Should
Two-wire system electronic switch and fire-fighting illumination control circuit, meet national structural fire protection department and are used on skyscraper corridor
Lighting control electronic switch must have a regulation for being forcibly turned on control end.So when needing to realize centralized Control, can
Linked together so that all of fire-fighting end in skyscraper corridor is concentrated, made by the two-wire system with a switch centralized Control
The load lamp of electronic switch control is all lighted, to reach central controlled purpose, so as to meet in industry is actually used
The demand that fire-fighting end is used as centralized Control end.
Specific embodiment
To enable the above objects, features and advantages of the present invention more obvious understandable, below in conjunction with the accompanying drawings to the present invention
Specific embodiment be described in detail.Elaborate many details in order to fully understand this hair in the following description
It is bright.But the present invention can be implemented with being much different from other manner described here, and those skilled in the art can be not
Similar improvement is done in the case of running counter to intension of the present invention, therefore the present invention is not limited by following public specific embodiment.
Fig. 1 is referred to, it is the theory diagram of two-wire system electronic switch 10 in one embodiment, namely two-wire system electronic cutting
Close 10 principle schematic.Two-wire system electronic switch 10 includes zero line L, load outputs A, fire-fighting end C, first two-way controllable
Circuit V1, the second two-way controlable electric current V2, triggers circuit T1, isolation circuit W1 and conducting feedback end S, conducting feedback end S namely
Major loop bright light feedback signal reception end, the bright light feedback signal for receiving major loop.
Zero line L is used to connect civil power live wire, and load outputs A is used to connect load, and load outputs A connection loads
The electrical zero line end N that enters the market is followed by, fire-fighting end C is used to connect spare electric power source for fire-fighting phase line.Wherein, zero line L and load outputs A connects
(it is followed by into civil power through overload) when entering civil power, the major loop work being connected with zero line L and load outputs A.Fire-fighting end C with
When load outputs A accesses spare electric power source for fire-fighting, the fire-fighting loop works being connected with fire-fighting end C and load outputs A.
The first end of zero line L controlable electric current V1s two-way with first is connected.Load outputs A is two-way with first controllable respectively
The first end connection of second end of circuit V1 and the second two-way controlable electric current V2.Fire-fighting end C's and the second two-way controlable electric current V2
Second end connects.
The triggering end of the first two-way controlable electric current V1 is used to connect the triggers circuit of major loop, with zero line L and load
After output terminals A accesses civil power, the first two-way controlable electric current V1 is having tactile by the two-way controlable electric current V1 of signal triggering and conducting, i.e., first
Be triggered conducting during signalling.For example, the trigger signal refers to photosensor signal, sound control signal, infrared induction signal etc. by leading back
The signal of road triggering.The triggering end of the output end of triggers circuit T1 controlable electric current V2 two-way with second is connected.Isolation circuit W1's
Output end is connected with the input of triggers circuit T1.
Conducting feedback end S is connected with the input of isolation circuit W1, and conducting feedback end S is used to connect the control of major loop
End, that is, turning on feedback end S is used to connect the part of major loop, to receive the bright light feedback signal of major loop, the bright light feedback letter
Number by the second two-way controlable electric current V2 of control cut-offs after isolation circuit W1 and triggers circuit T1, it is to avoid main circuit voltage crosstalk,
Influence the normal work of other products.
Above-mentioned two-wire system electronic switch 10, after zero line L and load outputs A meet load Zai Yu cities to be electrically connected, with fire
The major loop work of line end L and load outputs A connections, the first two-way controlable electric current V1 is triggered as normal when having trigger signal and leads
It is logical, the loaded work piece of major loop, while major loop to control section give conducting one major loop bright light feedback signal of feedback end,
Bright light feedback signal by the two-way controlable electric current V2 of triggers circuit T1 controls second by after the isolation of isolation circuit W1, being ended;When
After major loop power-off, load outputs A and fire-fighting end C accesses spare electric power source for fire-fighting, is connected with fire-fighting end C and load outputs A
Fire-fighting loop works, spare electric power source for fire-fighting makes triggers circuit T1 work and trigger the second two-way controlable electric current V2 to turn on, now
Load illumination can normal work, achievable fire-fighting illumination functions.Thus by anti-to one, fire-fighting loop bright light in major loop
The work in feedback signal control fire-fighting loop, is better achieved fire emergency function.
The two-wire system electronic switch and fire-fighting illumination control circuit, meet national structural fire protection department on skyscraper
The Lighting control electronic switch that corridor is used must have a regulation for being forcibly turned on control end.So when needs are realized concentrating
During control, all of fire-fighting end C in skyscraper corridor can be concentrated and linked together, made with a switch centralized Control
All lighted by the load lamp that the two-wire system electronic switch is controlled, to reach central controlled purpose, so as to meet in industry
The actually used middle demand that fire-fighting end C is used as centralized Control end.
In one embodiment, the first two-way controlable electric current V1 is that bidirectional triode thyristor or connected with each other two are unidirectional controllable
Silicon, the second two-way controlable electric current V2 is bidirectional triode thyristor or connected with each other two one-way SCRs.In the present embodiment, first
Two-way controlable electric current V1 is bidirectional triode thyristor, and the second two-way controlable electric current V2 is bidirectional triode thyristor.It is appreciated that when unidirectional controllable
When the power and trigger parameter of silicon meet the demand of circuit, two one-way SCRs connected with each other can also be realized two-way controllable
Requirement.Certainly, in other embodiments, the first two-way controlable electric current V1 and the second two-way controlable electric current V2 can also have other
Circuit structure, can specifically be chosen to install according to the demand of circuit.
When major loop connects 220VAC civil powers, the 220VAC voltage meetings after the controllable silicon V1 of major loop is triggered as normal conducting
Go here and there in fire-fighting loop, make the controllable silicon V2 triggering and conductings in fire-fighting loop;Again loop string disappearing to other products is formed through C-terminal
On anti-end, the normal work of other products can be influenceed.Fire-fighting loop and same is had influence on while work in order to avoid major loop
The normal work of the other products on circuit, gives a major loop while controllable silicon V1 of major loop is triggered as normal conducting
Bright light feeds back signal to fire-fighting loop, and the controllable silicon V2 in fire-fighting loop is ended after isolating through isolation circuit.For example, by monolithic
Machine also gives one, fire-fighting loop control signal while to major loop V1 trigger signals, make fire-fighting loop V2 end or
While major loop V1 is turned on, a signal is taken at the trigger signal of major loop at the triggers circuit of V2, end V2.
In the present embodiment, refer to through isolation circuit isolation major loop and fire-fighting loop two ground connection between it is mutually isolated, i.e., each other not
It is connected.After major loop is powered off, when fire-fighting loop connects spare electric power source for fire-fighting, backup power source voltage can be through touching in fire-fighting loop
Power Generation Road triggers V2 controlled silicon conductings;After V2 controlled silicon conductings in fire-fighting loop, load lamp can normal work, achievable fire-fighting
Illumination functions.
As described in Figure 2, in an embodiment, isolation circuit W1 includes isolation module 310 and drive module 320, isolation module
310 output end is connected with the input of trigger module 220, the input of isolation module 310 and the output end of drive module 320
Connection, the input of drive module 320 is connected with conducting feedback end S;Drive module 320 is used for the bright light of the major loop for receiving
Feedback signal simultaneously feeds back to isolation module 310 to drive isolation module 310.Isolation module 310 is isolated for according to major loop
Bright light feedback signal ends trigger module 220, and then ends the second two-way controlable electric current V2, so as to reach major loop and disappear
The electrical isolation in anti-loop and closing voltage cross talk effect.
To further illustrate two-wire system electronic switch of the invention, with reference to Fig. 1, Fig. 2 and Fig. 3, in an embodiment, first pair
It is bidirectional triode thyristor to controlable electric current V1, the second two-way controlable electric current V2 is bidirectional triode thyristor, and triggers circuit includes resistance R1, electricity
Resistance R2, resistance R3, resistance R4, resistance R5, rectifying full bridge D1, earth terminal GND1 and unidirectional controllable silicon S CR1;Wherein, earth terminal
GND1 is used to be grounded;The triggering end of one end of resistance R1 controlable electric current V1 two-way with first is connected, and the other end of resistance R1 passes through
Resistance R2 is connected with load outputs A;The first end of rectifying full bridge D1 is connected between resistance R1 and resistance R2, rectifying full bridge D1
The second end be connected with the anode of unidirectional controllable silicon S CR1 and be connected with the control pole of unidirectional controllable silicon S CR1 by resistance R4, it is whole
3rd end of stream full-bridge D1 is connected by resistance R3 with fire-fighting end C;4th end of rectifying full bridge D1 is connected with earth terminal GND1;It is single
It is connected with earth terminal GND1 to the negative electrode of controllable silicon SCR 1, the control pole of unidirectional controllable silicon S CR1 passes through resistance R5 and earth terminal
GND1 is connected and is connected with the output end of isolation module 310.
Further, with reference to Fig. 1, Fig. 2 and Fig. 3, isolation module 310 includes photoelectrical coupler U2, and drive module 320 includes
Triode Q1, resistance R6, resistance R7, earth terminal GND2 and power supply VCC1;Wherein, earth terminal GND2 is used to make the direct current of major loop
Power ground, and earth terminal GND1 isolates with earth terminal GND2;First pin of photoelectrical coupler U2 connects electricity by resistance R6
Source VCC1, wherein, power supply VCC1 connects main circuit power VCC ends, the collection of the second pin connecting triode Q1 of photoelectrical coupler U2
Electrode, the 3rd pin of photoelectrical coupler U2 is connected with earth terminal GND1, and the 4th pin of photoelectrical coupler U2 is controllable with unidirectional
The control pole connection of silicon SCR1;The base stage of triode Q1 is connected by resistance R7 with conducting feedback end S (namely the Part1 in figure)
Connect, the emitter stage of triode Q1 is connected with earth terminal GND2.
As shown in figure 3, when major loop connects 220VAC civil powers, 220VAC voltages can pass through after the conducting of V1 normal works
R2, R1, U1, R4, R5 make SCR triggering and conductings, then through influenceing other on R3, C-terminal formation loop string to the fire-fighting end of other products
The loaded work piece of product.Other products on fire-fighting end and same circuit are had influence on while work in order to avoid major loop just
Often work, by giving mono- feedback control signal of R7 in the trigger circuit of single-chip microcomputer or V1 while V1 normallies, leads Q1
Logical, U2 work makes SCR, V2 all end.After major loop is powered off, when fire-fighting loop connects spare electric power source for fire-fighting, backup power source voltage
Can by R2, R1, R3 to U1 rectifications, then through R4, R5, make SCR triggering and conductings, then through R3, C-terminal formation loop make the trigger electrode of V2
Current potential is dragged down turns on V2;Passageway for fire apparatus after V2 conductings forms loop, and load lamp can normal work.
To further illustrate two-wire system electronic switch of the invention, with reference to Fig. 1, Fig. 2 and Fig. 4, in an embodiment, first pair
It is bidirectional triode thyristor to controlable electric current V11, the second two-way controlable electric current V12 is bidirectional triode thyristor, and triggers circuit includes resistance
R11, resistance R12, resistance R13, resistance R14, resistance R15, resistance R16, rectifying full bridge D11, triode Q11, earth terminal GND11
And unidirectional controllable silicon S CR11;Wherein, earth terminal GND11 is used to be grounded.One end of resistance R11 and the first two-way controlable electric current V11
Triggering end connection, the other end of resistance R11 is connected by resistance R12 with load outputs A;The first end of rectifying full bridge D11
It is connected between resistance R11 and resistance R12, second end of rectifying full bridge D11 is connected with the anode of unidirectional controllable silicon S CR11, whole
3rd end of stream full-bridge D11 is connected by resistance R13 with fire-fighting end C;4th end of rectifying full bridge D11 connects with earth terminal GND11
Connect;The negative electrode of unidirectional controllable silicon S CR11 is connected with earth terminal GND11, and the control pole of unidirectional controllable silicon S CR11 passes through resistance R16
It is connected with earth terminal GND11;The colelctor electrode of triode Q11 is connected and led to by resistance R14 with the anode of unidirectional controllable silicon S CR11
Cross resistance R15 to be connected with the base stage of triode Q11, the emitter stage of triode Q11 connects with the control pole of unidirectional controllable silicon S CR11
Connect;The base stage of triode Q11 is connected with the output end of isolation module 310.
Further, with reference to Fig. 1, Fig. 2 and Fig. 4, isolation module 310 includes photoelectrical coupler U12, and drive module 320 is wrapped
Include triode Q12, resistance R17, resistance R18, earth terminal GND12 and power supply VCC2;Wherein, earth terminal GND12 is used to be grounded,
And earth terminal GND11 isolates with earth terminal GND12;First pin of photoelectrical coupler U12 connects power supply by resistance R17
VCC2, power supply VCC2 connect main circuit power VCC ends, the colelctor electrode of the second pin connecting triode Q12 of photoelectrical coupler U12,
3rd pin of photoelectrical coupler U12 is connected with earth terminal GND11, and the 4th pin of photoelectrical coupler U12 is with triode Q11's
Base stage is connected;The base stage of triode Q12 is connected, triode by resistance R18 with conducting feedback end S (namely the Part2 in figure)
The emitter stage of Q12 is connected with earth terminal GND12.
As shown in figure 4, when major loop connects 220VAC civil powers, 220VAC voltages can pass through after the conducting of V1 normal works
R2, R1, D1, R4, R5, R6 turn on Q1, and trigger SCR conductings, then form loop string to the fire-fighting of other products through R3, C-terminal
The loaded work piece of other products is influenceed on end.Had influence on while work in order to avoid major loop on fire-fighting end and same circuit
The normal work of other products, by giving mono- feedback control of R8 in the trigger circuit of single-chip microcomputer or V1 while V1 normallies
Signal, turns on Q2, U2 work, Q1, SCR, V2 is all ended.After major loop is powered off, fire-fighting loop connects spare electric power source for fire-fighting
When, backup power source voltage by R2, R1, R3 to D1 rectifications, then can turn on Q1 through R4, R5, R6, and trigger SCR conductings, then pass through
R3, C-terminal form loop to be dragged down the triggering electrode potential of V2 to turn on V2;Passageway for fire apparatus after V2 conductings forms loop, load lamp
Can normal work.
As shown in Figure 3 and Figure 4, in preferred embodiment, two-wire system electronic switch also includes:Protection circuit, zero line L passes through
The first end of protection circuit controlable electric current V1 two-way with first is connected.For example, as shown in figure 3, protection circuit includes fuse F1
It is serially connected between zero line L and V1 with resistance R8, fuse F1 and resistance R8.And for example, as shown in figure 4, protection circuit includes melting
Disconnected device F2 and resistance R19, fuse F2 and resistance R19 are serially connected between zero line L and V1.
It is noted that with reference to shown in Fig. 3, Fig. 4 and Fig. 5, the present invention also provides a kind of fire-fighting illumination control circuit 20,
The fire-fighting illumination control circuit 20 includes load lighting circuit M and above-mentioned two-wire system electronic switch, wherein, load outputs
A accesses civil power zero line by loading lighting circuit M.For example, load lighting circuit include emergency light, i.e. emergency light be connected on load it is defeated
Go out to hold between A and civil power zero line N, emergency light uses the product of in the market technology maturation.
To further illustrate two-wire system electronic switch of the invention and fire-fighting illumination control circuit, as shown in fig. 6, two-wire system
Wiring when electronic switch is used as fire-fighting control see Fig. 6.Using when, two-wire system electronic switch of the invention can be made into
Switch on wall, in corridor, (product 1, product 2, product 3 refer to the present invention to batch application for such as product 1, product 2, product 3 etc.
Two-wire system electronic switch), it is corresponding, for realize fire-fighting function, product 1, product 2, product 3 etc. correspondence be connected to load power for illumination
Road M1, load lighting circuit M2, load lighting circuit M3, load lighting circuit 4 etc..To realize centralized control functions, using turn
Switch K1 is changed, when change-over switch K1 is electrically connected with city, major loop L termination 220VAC civil powers, two-wire system electronic switch is only realized
Electronic switch basic function (electronic switch be supported on sound, sense, touch etc. signal control it is lower could trigger light after prolong
When, the cyclic process extinguished again after time delay), while it is off position that fire-fighting centralized control functions are de-energized.Work as change-over switch
K1 is connected with spare electric power source for fire-fighting, and fire-fighting end C connects spare electric power source for fire-fighting, while major loop L ends power off, major loop does not work;Electricity
Sub switch only realizes fire-fighting centralized lighting function.
To further illustrate two-wire system electronic switch of the invention and fire-fighting illumination control circuit, as shown in fig. 7, two-wire system
Wiring when electronic switch is used as centralized Control see Fig. 7.Using when, two-wire system electronic switch of the invention can be made into
Switch on wall, in corridor, (product 1, product 2, product 3 refer to the present invention to batch application for such as product 1, product 2, product 3 etc.
Two-wire system electronic switch), it is corresponding, for realize fire-fighting function, product 1, product 2, product 3 etc. correspondence be connected to load power for illumination
Road M1, load lighting circuit M2, load lighting circuit M3, load lighting circuit 4 etc., wherein, switch K2 is as common concentration
The double control switch of control.Civil power can be connect with double control switch K2 to be switched between main circuit terminal L1 and fire-fighting end C.Work as dual control
When switch K2 and C-terminal are connected, it is capable of achieving to force centralized control functions (no matter the load of two-wire system electronic switch is in bright or go out
State, can all be forced to light.);When change-over switch and logical L1 terminations, two-wire system electronic switch only realizes electronic switch
(lower could the triggering of signal control such as be supported on sound, sense, touch of electronic switch lights rear time delay to basic function, after time delay
The cyclic process extinguished again), while it is off position that centralized function is de-energized.
Understand, when being used as centralized Control such as Fig. 7, civil power can be connect in main circuit terminal L1 and fire-fighting with double control switch K
Switched between the C of end.When double control switch K and C-terminal are connected, it is capable of achieving to force centralized control functions (regardless of two-wire system electronics
The load of switch is, in state that is bright or going out, to be all forced to light.);When change-over switch and logical L1 terminations, two-wire system electricity
Sub switch only realizes that (electronic switch such as is supported on sound, senses, touch at the lower ability of signal control for the basic function of electronic switch
Rear time delay is lighted in triggering, the cyclic process extinguished again after time delay), while it is off position that centralized function is de-energized.
The advantage of the invention is that:Meet the Lighting control electricity that construction sector of China is used on skyscraper corridor
Sub switch must have a regulation for being forcibly turned on control end, and (this is forcibly turned on control end and can connect spare electric power source for fire-fighting, is exactly
Special fire-fighting end), it is necessary to the control end of all electronic switches and can connect together, be connected to by a total fireman's switch and disappeared
Centralized Control is used on anti-stand-by power supply.Lighted by electronic cutting, it is necessary to concentrate when scene occurs fire and other abnormal conditions
When closing the load lamp of control, and after total fireman's switch connection stand-by power supply (after occurring because of fire or other abnormal conditions, mains failure
Or because the safety problem in view of scene deliberately cuts off civil power.The lighting lamp for fire service that stand-by power supply is provided only to corridor is used, with side
Just evacuating personnel.), all illuminating lamps of this corridor can be forced to light the same time;To facilitate evacuating personnel or do it
Its use.And to meet and middle this is forcibly turned on control end (special fire-fighting end) as centralized Control industry is actually used
End uses;When needing the electronic switch load lamp with centralized Control end all to light, can be all centralized Control ends all
Link together, make all to be lighted by the load lamp that electronic switch is controlled with a switch centralized Control, to reach centralized Control
Purpose.
Each technical characteristic of embodiment described above can be combined arbitrarily, to make description succinct, not to above-mentioned reality
Apply all possible combination of each technical characteristic in example to be all described, as long as however, the combination of these technical characteristics is not deposited
In contradiction, the scope of this specification record is all considered to be.
Embodiment described above only expresses several embodiments of the invention, and its description is more specific and detailed, but simultaneously
Can not therefore be construed as limiting the scope of the patent.It should be pointed out that coming for one of ordinary skill in the art
Say, without departing from the inventive concept of the premise, various modifications and improvements can be made, these belong to protection of the invention
Scope.Therefore, the protection domain of patent of the present invention should be determined by the appended claims.